chevy suburban 5.7liter 4x4 silverado 1991,question i have fuel pressure the jets work i have power to the coil but no spark to the wires.i also have power to the black box on pass. side top of engine i think controls when the spark happens i also replaced the module on backside of distributer, the distributer, the coil,the wires the plugs, bht havent done the cap and roter.is that the only thing that will stop the spark process?ive also checked the oil pressure and water temp sensors

45

Asked by Aug 01, 2013 at 09:18 AM about the 1991 Chevrolet C/K 1500 Scottsdale LB RWD

Question type: Maintenance & Repair

chevy suburban 5.7liter 4x4 silverado 1991,question i have fuel pressure the jets work i
have power to the coil but no spark to the wires.i also have power to the black box on
pass. side top of engine i think controls when the spark happens i also replaced the
module on backside of distributer, the distributer, the coil,the wires the plugs, bht havent
done the cap and roter.is that the only thing that will stop the spark process?ive also
checked the oil pressure and water temp sensors

3 Answers

45

the answer was the module on back of distributor was bad kept the dis. from fireing.also with all the weirdness the cap and rotor got toasted

2 people found this helpful.
10

Relay

10

Fuel pump relay maybe filter

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